Microstructure and Mechanical Properties of an Al-Cu-Mg-Fe-Ni Alloy

Hong Wei Liu; Feng Wang; Bai Qing Xiong; Yong An Zhang; Zhi Hui Li; Xi Wu Li; Shu Hui Huang

doi:10.4028/www.scientific.net/AMR.988.156

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Effect of Continuous Heating on Grain Growth in Fe-40Ni-Ti Alloy
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 988Microstructure and Mechanical Properties of an...

Microstructure and Mechanical Properties of an Al-Cu-Mg-Fe-Ni Alloy

Abstract:

The microstructure and mechanical properties of the Al-2.24Cu-1.42Mg-0.9Fe-0.9Ni alloy were studied using optical microscopy (OM), scanning electron microscopy (SEM), X-ray diffraction (XRD), and tensile tests. The results indicate that the microstructures of the as cast alloy involve α-Al matrix, Al/Al₂CuMg eutectic structure, Al₇Cu₂Fe, Al₇Cu₄Ni and Al₉FeNi compounds. The tensile test results indicate that the alloy at elevated temperature (200°C) displays superior tensile strength due to the presence of the thermally stable Al₇Cu₂Fe, Al₇Cu₄Ni and Al₉FeNi compounds.

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Periodical:

Advanced Materials Research (Volume 988)

Pages:

156-160

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.988.156

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Online since:

July 2014

Authors:

Hong Wei Liu*, Feng Wang, Bai Qing Xiong, Yong An Zhang, Zhi Hui Li, Xi Wu Li, Shu Hui Huang

Keywords:

Compounds, Eutectic Structure, Mechanical Property, Microstructure

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